Mr. Bruce Pirger Profile

Bruce Pirger

at Cornell Univ

SPIE Involvement:

Author

Publications (12)

Proceedings Article | 18 August 2010 Paper

Linear CID sensor array with on-chip analog memory for time-resolved scientific applications

S. Bhaskaran, M. Pilon, B. Pirger, S. VanGorden, J. Zhang

Proceedings Volume 7780, 778012 (2010) https://doi.org/10.1117/12.861541

KEYWORDS: Sensors, Capacitors, Analog electronics, Nondestructive evaluation, Spectroscopy, Charge-coupled devices, Time resolved spectroscopy, Amplifiers, Cadmium sulfide, Compact discs

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Proceedings Article | 28 June 2006 Paper

FORCAST: the facility mid-IR camera for SOFIA

Joseph Adams, Terry Herter, Luke Keller, George Gull, Bruce Pirger, Justin Schoenwald, Marc Berthoud, Gordon Stacy, Thomas Nikola

Proceedings Volume 6269, 626911 (2006) https://doi.org/10.1117/12.671414

KEYWORDS: Cameras, Mirrors, Telescopes, Sensors, Optical filters, Electronics, Space telescopes, Staring arrays, Distortion, Silicon

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Proceedings Article | 15 June 2006 Paper

High-speed highly flexible reconfigurable data acquisition system for astronomy

Bruce Pirger, Justin Schoenwald, Terry Herter, George Gull, Joseph Adams, Luke Keller, Marc Berthoud, Charles Henderson, Gordon Stacy, Thomas Nikola

Proceedings Volume 6276, 62760X (2006) https://doi.org/10.1117/12.672249

KEYWORDS: Field programmable gate arrays, Sensors, Analog electronics, Data acquisition, Electronics, Mirrors, Clocks, Digital signal processing, Connectors, Staring arrays

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We have developed a high speed, flexible, data acquisition system and targeted it to astronomical imaging. The system is based on Field Programmable Gate Arrays (FPGAs) and provides a gigabit/sec fiber optic link between the electronics located on the instrument and the host computer. The FPGAs are reconfigurable over the fiber optic link for maximum flexibility. The system has initially been targeted at DRS Technologies' 256x256 Si:As and Si:Sb detectors used in FORCAST¹, a mid-IR camera/spectrograph built by Cornell University for SOFIA. The initial configuration provides sixteen parallel channels of six Msamples/second 14-bit analog to digital converters. The system can coadd 256x256 images at over 1000 frames per second in up to 64 different memory positions. Array clocking and sampling is generated from uploaded clocking patterns in two independent memories. This configuration allows the user to quickly create, on the fly, any form of array clocking and sampling (destructive, non-destructive, sample up the ramp, additional reset frames, Fowler, single frames, co-added frames, multi-position chop, throw away frames, etc.) The electronics were designed in a modular fashion so that any number of analog channels from arrays or mosaics of arrays can be accommodated by using the appropriate number of FPGA boards and preamps. The preamp/analog to digital converter boards can be replaced as needed to operate any focal plane array or other sensor. The system also provides analog drive capability for controlling an X-Y chopping secondary mirror, nominal two position chopping, and can also synchronize to an externally driven chop source. Multiple array controllers can be synchronized together, allowing multi-channel systems to share a single chopping secondary, yet clock the focal planes differently from each other. Due to the flexibility of the FPGAs, it is possible to develop highly customized operating modes to maximize system performance or to enable novel observations and applications.

Proceedings Article | 12 October 2004 Paper

The infrared spectrograph on the Spitzer Space Telescope

James Houck, Thomas Roellig, Jeff Van Cleve, William Forrest, Terry Herter, Charles Lawrence, Keith Matthews, Harold Reitsema, B. Soifer, Dan Watson, Dan Weedman, Marty Huisjen, John Troeltzsch, Donald Barry, J. Bernard-Salas, Craig Blacken, Bernhard Brandl, Vassilis Charmandaris, Daniel Devost, George Gull, Peter Hall, Charles Henderson, S. James Higdon, Bruce Pirger, Justin Schoenwald, Greg Sloan, Keven Uchida, Philip Appleton, Lee Armus, Martin Burgdorf, Sergio Fajardo-Acosta, Carl Grillmair, Jim Ingalls, Patrick Morris, Harry Teplitz

Proceedings Volume 5487, (2004) https://doi.org/10.1117/12.550517

KEYWORDS: Infrared imaging, Infrared spectroscopy, Infrared telescopes, Calibration, Sensors, Infrared radiation, Space telescopes, Spectrographs, Stars, Spectral resolution

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Proceedings Article | 30 September 2004 Paper

First test results from FORCAST: the facility mid-IR camera for SOFIA

Luke Keller, Terry Herter, Gordon Stacey, George Gull, Justin Schoenwald, Bruce Pirger, Joseph Adams, Marc Berthoud, Thomas Nikola

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.552333

KEYWORDS: Cameras, Optical filters, Telescopes, Mirrors, Detector arrays, Staring arrays, Sensors, Space telescopes, Distortion, Image filtering

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Proceedings Article | 29 September 2004 Paper

Testing of mid-infrared detector arrays for FORCAST

Joseph Adams, Terry Herter, Luke Keller, George Gull, Bruce Pirger, Justin Schoenwald, Marc Berthoud

Proceedings Volume 5499, (2004) https://doi.org/10.1117/12.551490

KEYWORDS: Sensors, Detector arrays, Electronics, Multiplexers, Telescopes, Cameras, Mid-IR, Optical filters, Infrared sensors, Infrared cameras

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Proceedings Article | 7 March 2003 Paper

Wide-field infrared camera for the Palomar 200-in. telescope

John Wilson, Stephen Eikenberry, Charles Henderson, Thomas Hayward, Joseph Carson, Bruce Pirger, Donald Barry, Bernhard Brandl, James Houck, Gregory Fitzgerald, T. Stolberg

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.460336

KEYWORDS: Sensors, Optical filters, Telescopes, Cameras, Cryogenics, Infrared radiation, Infrared cameras, Near infrared, Galactic astronomy, Optics manufacturing

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Proceedings Article | 3 March 2003 Paper

Forcast: the Faint Object Infared Camera for the SOFIA telescope

Luke Keller, Terry Herter, Gordon Stacey, George Gull, Justin Schoenwald, Bruce Pirger, Tomas Nikola

Proceedings Volume 4857, (2003) https://doi.org/10.1117/12.458634

KEYWORDS: Cameras, Mirrors, Optical filters, Telescopes, Detector arrays, Distortion, Staring arrays, Space telescopes, Antimony, Infrared cameras

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Proceedings Article | 20 June 2000 Paper

FORCAST: a facility 5- to 40-um camera for SOFIA

Luke Keller, Terry Herter, Gordon Stacey, George Gull, Bruce Pirger, Justin Schoenwald, Harry Bowman, Tomas Nikola

Proceedings Volume 4014, (2000) https://doi.org/10.1117/12.389130

KEYWORDS: Optical filters, Telescopes, Mirrors, Electronics, Cameras, Sensors, Data acquisition, Control systems, Stars, Diffraction

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Proceedings Article | 21 August 1998 Paper

SCORE 1+: enhancing a unique mid-infrared spectrograph

John-David Smith, Stephen Rinehart, James Houck, Jeffrey Van Cleve, John Wilson, Michael Colonno, Justin Schoenwald, Bruce Pirger, C. Blacken

Proceedings Volume 3354, (1998) https://doi.org/10.1117/12.317216

KEYWORDS: Spectrographs, Telescopes, Sensors, Calibration, Mid-IR, Signal to noise ratio, Optical components, Mirrors, Stars, Diffraction

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Proceedings Article | 17 October 1997 Paper

PHARO (Palomar high-angular-resolution observer): a dedicated NIR camera for the Palomar adaptive optics system

Bernhard Brandl, Thomas Hayward, James Houck, George Gull, Bruce Pirger, Justin Schoenwald

Proceedings Volume 3126, (1997) https://doi.org/10.1117/12.279059

KEYWORDS: Cameras, Adaptive optics, Sensors, Optical filters, Mirrors, Near infrared, Imaging systems, Telescopes, Camera shutters, Space telescopes

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Proceedings Article | 29 September 1995 Paper

Evaluation of Si:As and Si:Sb blocked-impurity-band detectors for SIRTF and WIRE

Jeffrey Van Cleve, Terry Herter, Randy Butturini, George Gull, James Houck, Bruce Pirger, Justin Schoenwald

Proceedings Volume 2553, (1995) https://doi.org/10.1117/12.221380

KEYWORDS: Sensors, Radon, Space telescopes, Infrared telescopes, Infrared imaging, Telescopes, Staring arrays, Imaging systems, Infrared radiation, Cryogenics

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Showing 5 of 12 publications

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